ISAAC THOMAS MD – NPI #1083662894
Internal Medicine

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Health Care Provider Taxonomy Code for Internal Medicine

ISAAC THOMAS is a physician located in GURNEE, IL. NPPES has assigned the NPI number 1083662894 to ISAAC THOMAS on May 04, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RC0000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Cardiovascular Disease

The NPI profile was last updated on May 08, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ISAAC THOMAS below.

NPI Profile for
ISAAC THOMAS

NPI Number
1083662894
Enumeration Date

(more than 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
ISAAC THOMAS
Credentials
MD
Primary location
222 S GREENLEAF ST STE 109
GURNEE, IL 60031-5705
Phone: (847) 336-1600 Fax: (847) 336-2380
1 Other location(s):
10256 Old Green Bay Rd
Pleasant Prairie, WI 53158-2814
Phone: (847) 336-1600
Fax: (847) 336-2380
Mailing address
3915 OGLESBY AVE
GURNEE, IL 60031-3358
Phone: (847) 336-1600 Fax: (847) 336-2380
Sole Proprietor
No
Updated
Certification Date
May 08, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for ISAAC THOMAS

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherRAILROAD MEDICAREIL763284
medicaidIL036063274
medicaidWI100268582
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RC0000X
- Internal Medicine / Cardiovascular Disease (Primary)		 IL 036.063274
174400000X
- Specialist		 IL 036063274

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
ISAAC THOMAS is affiliated with the following medical group(s):
  • HOSPITAL
    • ADVOCATE CONDELL MEDICAL CENTER
      801 S MILWAUKEE AVE
      LIBERTYVILLE, IL 60048
    • ADVOCATE LUTHERAN GENERAL HOSPITAL
      1775 DEMPSTER ST
      PARK RIDGE, IL 60068
    • MIDWESTERN REGION MED CENTER
      2520 ELISHA AVENUE
      ZION, IL 60099
    • NORTHWESTERN LAKE FOREST HOSPITAL
      1000 N WESTMORELAND ROAD
      LAKE FOREST, IL 60045
    • VISTA MEDICAL CENTER EAST
      1324 NORTH SHERIDAN ROAD
      WAUKEGAN, IL 60085

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.